Indoor Installation Manual

15
7. Test run
7.4.Checkofdrainage(Fig.7-5)
• Ensurethatthewaterisbeingproperlydrainedoutandthatnowaterisleaking
from joints.
When electric work is completed.
• Pourwaterduringcoolingoperationoftestrun(referto7.2.)andcheck.
When electric work is not completed.
• Pourwaterduringemergencyoperationandcheck.
* Drainpanandfanareactivatedsimultaneouslywhensinglephase220-240Vis
turned on to S1 and S2 on terminal block after the connector (SWE) on controller
board in the electrical box is set to ON.
Be sure to turn it back to the former state after work.
• Iftheunitcannotbeoperatedproperlyaftertestrun,refertothefollowingtabletondthecause.
Symptom
Cause
Wired remote controller LED 1, 2 (PCB in outdoor unit)
PLEASE WAIT
For about 2 minutes
after power-on
After LED 1, 2 are lit, LED 2 is turned off,
then only LED 1 is lit. (Correct operation)
• For about 2 minutes after power-on, operation of the remote
controller is not possible due to system start-up. (Correct
operation)
PLEASE WAIT
→
Error code
Subsequent to
about 2 minutes
after power-on
Only LED 1 is lit.
→
LED 1, 2 blink.
• Connector for the outdoor unit’s protection device is not con-
nected.
Reverse or open phase wiring for the outdoor unit’s power
terminal block (L1, L2, L3)
Display messages do not appear
even when operation switch is
turned ON
(operation lamp does not light up).
Only LED 1 is lit.
→
LED 1 blinks twice,
LED 2 blinks once.
• Incorrect wiring between indoor and outdoor units (incorrect
polarity of S1, S2, S3)
• Remote controller wire short
On the wireless remote controller with condition above, following phenomena take place.
• Nosignalsfromtheremotecontrollerareaccepted.
• Operationlampisblinking.
• Thebuzzermakesashortpingsound.
Note:
Operationisnotpossibleforabout30secondsaftercancellationoffunctionselection.(Correctoperation)
For description of each LED (LED1, 2, 3) provided on the indoor controller, refer to page 13.
Fig.7-5
8. Systemcontrol
Refer to the outdoor unit installation manual.
A Water supply pump
BWater(about1000cc,1/4gal)
C Drain plug
D Pour water through outlet
• Be careful not to spray water into
the drain pump mechanism.
B
A
C
D
BH79D659K02.indb 15 2017/05/22 17:25:31